Home / 10,109.93-15,164.37-3,872.93

Finding the Fourth Proportional to 10,109.93, 15,164.37 and 3,872.93

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Solution

The fourth proportional to 10,109.93, 15,164.37 and 3,872.93 is: 5,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.93 : 15,164.37 = 3,872.93 : x
  2. Step 2: Convert to fraction form
    10,109.93/15,164.37 = 3,872.93/x
  3. Step 3: Cross multiply
    10,109.93x = 15,164.37 × 3,872.93
  4. Step 4: Simplify right side
    10,109.93x = 58,730,467.68
  5. Step 5: Solve for x
    x = 58,730,467.68/10,109.93
  6. Step 6: Final answer
    x = 5,809.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.